Serial EEPROM memory IC with 1Kb density, organized as 128 words by 8 bits. Features an I2C, 2-wire serial interface with a maximum operating frequency of 400kHz. Offers a fast access time of 900ns and operates across a wide temperature range from -40°C to 85°C. This component supports a supply voltage range of 2.5V to 5.5V and includes write protection functionality. Packaged in a through-hole PDIP with tin, matte contact plating.
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Microchip 24LCS21A-I/P technical specifications.
| Access Time | 900ns |
| Access Time-Max | 900ns |
| Package/Case | PDIP |
| Contact Plating | Tin, Matte |
| Density | 1Kb |
| Frequency | 400kHz |
| Height | 0.195inch |
| Interface | I2C, Serial, 2-Wire |
| Lead Free | Lead Free |
| Length | 10.16mm |
| Max Frequency | 400kHz |
| Max Operating Temperature | 85°C |
| Memory Size | 1Kb |
| Memory Type | EEPROM, |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.5V |
| Min Supply Voltage | 2.5V |
| Mount | Through Hole |
| Number of Words | 128 |
| Organization | 128X8 |
| Package Quantity | 60 |
| Packaging | Rail/Tube |
| Programming Voltage | 5.5V |
| RoHS Compliant | Yes |
| Supply Current | 3mA |
| Width | 0.28inch |
| Write Protection | YES |
| RoHS | Compliant |
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